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Publication numberUSD253108 S
Publication typeGrant
Application numberUS 05/806,006
Publication dateOct 9, 1979
Filing dateJun 13, 1977
Publication number05806006, 806006, US D253108 S, US D253108S, US-S-D253108, USD253108 S, USD253108S
InventorsDonald S. Schroeder
Original AssigneePemcor, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US D253108 S
Abstract  available in
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  1. The ornamental design for a loudspeaker, as shown and described.

FIG. 1 is a front view of the loudspeaker showing my new design;

FIG. 2 is an elevational view of a broad side thereof;

FIG. 3 is an elevational view of a narrow side thereof;

FIG. 4 is a cross-sectional view taken at the line 4--4 of FIG. 1, and

FIG. 5 is a rear view of the loudspeaker.

Non-Patent Citations
1J. C. Whitney and Co., Cat. No. 355B, 1976, p. 32, Coaxial Amplifier System, Item No. 03-6448B.
2Stereo/Hi-Fi Directory, 1963, p. 121, Item Minneapolis Coax. Speaker, Item No. Model K-12-HFC, 12".
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7916890Apr 1, 2003Mar 29, 2011Stillwater Designs And Audio, Inc.Ultra low frequency transducer and loud speaker comprising same
US20030194104 *Apr 1, 2003Oct 16, 2003Stillwater Designs & Audio, Inc.Ultra low frequency transducer and loud speaker comprising same
U.S. ClassificationD14/216, 181/147, 381/189